The purpose of this investigation was to compare the analgesic actions and side-effects of a 50 lzg epidural bolus of sufentanil and 50 I~g epinephrine, with a control group receiving saline and epinephrine. The method employed was a prospective, randomised, double-blind trial involving (198 +-35 rain vs 174 +-29 min; P < O, 05), et de l' analgdsie (288 +-85 rain vs 188 --+ 42 min; P < 0,01). II y avait une augmentation de la sommolence dans le groupe sufentanil (9/20 vs 2/20 ; P < O, 05 Epidural anaesthesia in combination with a light general anaesthetic is a well-accepted technique for gynaecological procedures. The combination of epidural opioids with local CAN J ANAESTH 1992 ! 39:3 / pp220-5